Speaker unit for automotive vehicles

Abstract

A speaker unit for an automotive vehicle including a woofer speaker flush mounted with the rear parcel shelf of the vehicle with a tweeter or medium- and high-range speaker unit mounted to the rear of the woofer speaker. The tweeter speaker is directed toward the passenger compartment of the vehicle. A woofer frame is detachably coupled around the outer edge of the woofer speaker. The woofer frame supports a grill which extends as well over the tweeter speaker. A sound diffuser is positioned over the open surface of the tweeter speaker.

What is claimed is: 
     
       1. A speaker unit for an automotive vehicle, comprising: a low-range speaker;   a medium- and high-range speaker;   means for fixedly connecting said low-range speaker and said medium- and high-range speaker so that their central axes intersect in a side section;   grill frame detachably coupled with a peripheral surface of said low-range speaker;   a low-range speaker grill member mounted in said grill frame for covering an open surface of said low-range speaker;   said medium- and high-range speaker being fixedly connected to said low-range speaker by said connecting means so that said medium- and high-range speaker is located in an area outside an area confined by said low-range speaker grill member.   
     
     
       2. The speaker unit of claim 1 further comprising a sound diffuser mounted adjacent said medium- and high-range speaker. 
     
     
       3. The speaker unit of claim 1 wherein said connecting means comprises a medium- and high-range speaker holder, a woofer frame, and a bolt, said holder being connected to said woofer frame by said bolt. 
     
     
       4. The speaker unit of claim 1 wherein a substantial portion of sound reproduced by said low-range speaker is directly radiated into a passenger compartment of said automotive vehicle through said low-range speaker grill member without being substantially reflected and attenuated by said medium- and high-range speaker. 
     
     
       5. A speaker unit for an automotive vehicle, comprising: a low-range speaker having a woofer frame to which an outer peripheral edge of a diaphragm of said low-range speaker is attached, said woofer frame being adapted to be flushly mounted to a rear parcel shelf of said automotive vehicle;   a tweeter holder rigidly mounted upon a rear edge of said woofer frame, said holder being adapted to support a tweeter unit having a tweeter speaker having a central axis directed towards a passenger compartment of said vehicle, said tweeter speaker being positioned in said tweeter holder;   a woofer grill frame detachably coupled around said low-range speaker; and   a low-range grill member supported by said grill frame covering said diaphragm, said holder occupying an area outside an area confined by said low-range grill member.   
     
     
       6. The speaker unit of claim 5 further comprising a sound diffuser positioned over the open surface of said tweeter speaker. 
     
     
       7. The speaker unit of claim 5 wherein a substantial portion of sound reproduced by said low-range speaker is directly radiated into a passenger compartment of said automotive vehicle through said low-range grill member without being substantially reflected and attenuated by said tweeter speaker. 
     
     
       8. The speaker unit of claim 1 or 5 further comprising a medium- and high-range speaker grill member for covering an open surface of said medium- and high-range speaker. 
     
     
       9. The speaker unit of claim 8 wherein said low-range speaker grill member and said medium- and high-range speaker grill member are integrally formed.